Periodical shelf for library unit



FIG. 1 is a front elevational view of a periodical shelf for library unit embodying our new design;

FIG. 2 is a side elevational view taken from the right side of FIG. 1, the side opposite being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a periodical shelf for library unit, as shown. 